Full list of all 40 LARA CROFT AND THE TEMPLE OF OSIRIS achievements. It takes around 12-15 hours to unlock all of the achievements on Windows.
In a 4-player local or online multiplayer game, be the only player to not die in a tomb
Finish a tomb in a 4-player local multiplayer game
Complete all Pyramid of Osiris challenges
Complete all challenges
Complete all Set challenges
Defeat Set
Defeat the Pharaoh
Complete all Tomb of the Torturer challenges
Complete the Tomb of the Torturer
Complete all Tomb of the Architect challenges
Complete the Tomb of the Architect
Complete all Challenge Tombs
Complete all Sobek challenges
Defeat Sobek
Revive another player in a local or online multiplayer game
Complete all Tomb of the Lamplighter challenges
Complete the Tomb of the Lamplighter
Complete all Tomb of the Ferryman challenges
Complete the Tomb of the Ferryman
Defeat the Oracle of Osiris
Complete all Khepri challenges
Defeat Khepri
Complete all Tomb of the Silversmith challenges
Get the most kills in a tomb in a local or online multiplayer game
Complete all Tomb of the Timekeeper challenges
Have the most deaths in a tomb in a local or online multiplayer game
Get the most gems in a tomb in a local or online multiplayer game
Bomb a player in a Magic Shield in a local or online multiplayer game
Complete any level time challenge
Complete any red skull challenge
Finish any tomb in online multiplayer
Complete any gold score challenge
Complete the Tomb of the Silversmith
Complete a Challenge Tomb
Wear two rings and an amulet
Complete the Tomb of the Timekeeper
Unlock a treasure chest
Escape the Pyramid of Osiris
Collect enough canopic jars to unlock an onyx weapon
Find your first weapon